convert_eigen_matrix_to_variant()

template<typename EigenMatrix >

static std::vector< Kakshya::DataVariant > MayaFlux::Yantra::OperationHelper::convert_eigen_matrix_to_variant ( const EigenMatrix &  matrix )

inlinestaticprivate

Extract data from Eigen vector to double span.

Convert Eigen matrix to DataVariant format

Definition at line 401 of file OperationHelper.hpp.

    {
        std::vector<Kakshya::DataVariant> columns(matrix.cols());
 
        for (int col = 0; col < matrix.cols(); ++col) {
            auto row_indices = std::views::iota(0, matrix.rows());
            auto col_data = row_indices
                | std::views::transform([&](int row) { return static_cast<double>(matrix(row, col)); });
            columns[col] = { std::vector<double>(col_data.begin(), col_data.end()) };
        }
        return columns;
    }

Referenced by to_data_variant().

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